Similarly to the host path from drm_syncobj.c we would like to
disallow those operations to help applications figure where they using
the wrong kind of ioctl.
Signed-off-by: Lionel Landwerlin <lionel.g.landwer...@intel.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 2e53feed40e2..d9bbc31e97d0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -1159,6 +1159,8 @@ static int amdgpu_cs_process_syncobj_out_dep(struct
amdgpu_cs_parser *p,
drm_syncobj_find(p->filp, deps[i].handle);
if (!p->post_deps[i].syncobj)
return -EINVAL;
+ if (p->post_deps[i].syncobj->is_timeline)
+ return -EINVAL;
p->post_deps[i].chain = NULL;
p->post_deps[i].point = 0;
p->num_post_deps++;
--
2.23.0
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